DEC Digital PC 3500 System Reference Manual page 6

Laser Safety Notices
All CD-ROM drives included in DIGITAL computers are classified as Class 1 laser
products and comply with safety standards as set by U.S. government and applicable
European agencies.
No hazardous radiation is emitted from this CD-ROM drive; the laser beam is
completely enclosed in the CD-ROM subassembly during all customer operation and
maintenance. In the event that repair or service of the CD-ROM subassembly is
required, only authorized DIGITAL service personnel should perform such repairs.
Energy Star Compliant
Your DIGITAL PC 3500/5510 computer (low profile model only) is ENERGY STAR
compliant when used with Windows 95. DIGITAL advises that you do not use the
enable Power Management features with operating systems that do not allow for
power management, such as SCO UNIX, Windows NT, or OS/2.
To ensure that your entire computer system remains ENERGY STAR compliant, you
must use an ENERGY STAR compliant monitor, that is, a monitor that supports the
DPMS protocol.